Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

jett 50 with an ultra sport 40?

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Old 08-11-2003, 12:45 PM
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Ragz
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Default jett 50 with an ultra sport 40?

Hi, has anyone tried this combo? Would it work? I know jett engines are high speed screamers...but an ultra sport can fly fast too..so how would this combo work out?
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Old 08-11-2003, 08:53 PM
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Razor-RCU
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Default hmm

I have had both but not together as a combo...

I personally think the Jett would be wasted on this application- Don't get me wrong it would haul *****, but that plane is designed for basic pattern- and would probably disintegrate with the Jett on it-

Mine flew very well with a TT Pro-46 and an Irvine-53- a YS-63 or Saito 72 would be great as 4 strokes go...

Good luck! Great fliers those US-40's!
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Old 08-12-2003, 10:59 PM
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Mike James
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Default Maybe

The old Ultra Sport kits were overbuilt, and were quite strong. I built several of them years ago, in the .40 and .60 size.

I used a YS .45 and an APC 10-8 prop on the .40 size (with standard YS muffler, not a tuned pipe) and it was quite fast. (using 20% nitro) The extra weight of the kit really builds up speed well on downlines. Typical "scare the crowd" maneuver used to be to dive the plane down from several hundred feet, level off, and hit the snap switch. It would snap so fast that everyone would duck. Never had a structural problem.

Mine were built "stock", except that I used a piece of 6 oz. cloth to glass the top and bottom of the center section, out to just past the fuselage sides.

Today, Great Planes is making their kits lighter (a good thing) so I don't know how the extreme speed might affect them.
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Old 08-13-2003, 05:14 AM
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Default jett 50 with an ultra sport 40?

good advice guys..thanks I will stick to the 46fx on the us40...
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